Mechanical Designer

Eastern Contractors Corporation (ECC) is the industrial general contracting division of Eastern Companies, delivering precision-engineered solutions for complex, high-performance facilities across the U.S. Southeast and beyond. ECC specializes in building clean rooms, dry rooms, and industrial infrastructure, bringing unmatched safety, technical expertise, and craftsmanship to every project. With over 2,000 completed projects, a strong safety record (EMR 0.74), and a robust $700 million bonding capacity, ECC is known for reliability and excellence at scale.

We are seeking a Mechanical Designer to join our growing Design Services team in the Suwanee ECC office. The ideal candidate will have 3–5 years of mechanical designing experience within the construction or AEC industry and will support the design, coordination, and execution of mechanical systems across a variety of projects.

In this role, the Mechanical Designer is responsible for the design and review of mechanical systems, including but not limited to HVAC, plumbing, and piping systems, while providing technical engineering support to Project Managers. This position also assists with project controls activities, including cost, scheduling, and estimating support, to ensure successful project delivery from design through construction.

• →Design, develop, and review mechanical systems, including HVAC, plumbing, and piping, in accordance with project requirements, codes, and industry standards
• →Prepare and review mechanical drawings, specifications, and construction documents
• →Provide technical engineering support and coordination to Project Managers and project teams
• →Assist with project controls activities, including cost analysis, scheduling coordination, and estimating support
• →Perform site observations to verify design intent and construction progress
• →Review shop drawings, submittals, and RFIs; support construction administration activities
• →Coordinate with multidisciplinary teams, including architectural, structural, electrical, and other engineering disciplines
• →Utilize Revit, AutoCAD, and BIM tools to produce and coordinate mechanical designs
• →Ensure constructability, quality, and compliance throughout all phases of the project

• Bachelor’s degree in Mechanical Engineering or Mechanical Engineering Technology from an accredited college or university
• 3–5 years of related mechanical design experience, preferably within the construction or AEC industry
• Engineer-in-Training (EIT) certification required
• Professional Engineer (PE) license required
• Proficiency in Revit, AutoCAD, and BIM-based design tools
• Strong ability to read, interpret, and prepare construction drawings and technical specifications
• Experience performing site observations and supporting construction administration
• Working knowledge of applicable mechanical codes, standards, and industry best practices

• Strong technical, analytical, and problem-solving skills
• Ability to work effectively in a team-oriented, collaborative environment
• Positive attitude, strong organizational skills, and ability to manage multiple priorities
• Self-motivated with a commitment to producing high-quality work
• Willingness and desire to learn, grow, and advance professionally within the organization
• Effective communication skills to coordinate with internal teams and external stakeholders